In 1911 , the physicist Ernest Rutherford discovered that atoms have a tiny, dense nucleus by shooting positively charged particles at a very thin gold foil. A key physical property which led Rutherford to use gold was that it was
In 1911 , the physicist Ernest Rutherford discovered that atoms have a tiny, dense nucleus by shooting positively charged particles at a very thin gold foil. A key physical property which led Rutherford to use gold was that it was
- [KVPY 2014]
- A
electrically conducting
- B
highly malleable
- C
shiny
- D
non-reactive
Similar Questions
Explain the Rutherford atomic model and its limitation.
Explain the Rutherford atomic model and its limitation.
The graph which depicts the results of Rutherform gold foil experiment with $\alpha$ -particales is
$\theta:$ Scattering angle
$\mathrm{Y}:$ Number of scattered $\alpha$ -particles detected
(Plots are schematic and not to scale)
The graph which depicts the results of Rutherform gold foil experiment with $\alpha$ -particales is
$\theta:$ Scattering angle
$\mathrm{Y}:$ Number of scattered $\alpha$ -particles detected
(Plots are schematic and not to scale)
- [JEE MAIN 2020]
An electron makes a transition from orbit $n = 4$ to the orbit $n = 2$ of tha hydrogen atom. The wave number of the emitted radiations ($R =$ Rydberg's constant) will be
An electron makes a transition from orbit $n = 4$ to the orbit $n = 2$ of tha hydrogen atom. The wave number of the emitted radiations ($R =$ Rydberg's constant) will be
The energy of hydrogen atom in $n^{th}$ orbit is $E_n$, then the energy in $n^{th}$ orbit of singly ionised helium atom will be
The energy of hydrogen atom in $n^{th}$ orbit is $E_n$, then the energy in $n^{th}$ orbit of singly ionised helium atom will be
According to the Rutherford’s atomic model, the electrons inside the atom are
According to the Rutherford’s atomic model, the electrons inside the atom are